Another ML framework based on .NET
Accord.NET Machine Learning Framework
open source: GitHub - accord-net/framework: Machine learning, computer vision, statistics and general scientific computing for .NET (GNU LGPL)
"The Accord.NET Framework provides machine learning, mathematics, statistics, computer vision, computer audition, and several scientific computing related methods and techniques to .NET. The project extends the popular AForge.NET Framework providing a more complete scientific computing environment."
NET Machine Learning: F# and Accord.NET @ InfoQ
Accord.NET vs numl | LibHunt
(3) Which is the best machine learning library for .NET? - Quora